| // Copyright (C) 2020 Rick Waldron. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-atomics.waitasync |
| description: > |
| Undefined timeout arg is coerced to zero |
| info: | |
| Atomics.waitAsync( typedArray, index, value, timeout ) |
| |
| 1. Return DoWait(async, typedArray, index, value, timeout). |
| |
| DoWait ( mode, typedArray, index, value, timeout ) |
| |
| 6. Let q be ? ToNumber(timeout). |
| ... |
| Undefined Return NaN. |
| |
| 5.If q is NaN, let t be +∞, else let t be max(q, 0) |
| |
| flags: [async] |
| features: [Atomics.waitAsync, SharedArrayBuffer, TypedArray, Atomics, computed-property-names, Symbol, Symbol.toPrimitive, arrow-function] |
| ---*/ |
| assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"'); |
| |
| const i32a = new Int32Array( |
| new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4) |
| ); |
| |
| let {async, value} = Atomics.waitAsync(i32a, 0, 0); |
| |
| value.then(result => { |
| |
| assert.sameValue(result, "ok", 'The value of `result` is "ok"'); |
| |
| }, $DONE).then($DONE, $DONE); |
| |
| Atomics.notify(i32a, 0); |
